./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a9b967e5
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-a9b967e-m
[2024-09-11 20:51:06,471 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-11 20:51:06,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-11 20:51:06,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-11 20:51:06,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-11 20:51:06,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-11 20:51:06,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-11 20:51:06,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-11 20:51:06,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-11 20:51:06,590 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-11 20:51:06,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-11 20:51:06,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-11 20:51:06,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-11 20:51:06,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-11 20:51:06,594 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-11 20:51:06,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-11 20:51:06,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-11 20:51:06,595 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-11 20:51:06,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-11 20:51:06,595 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-11 20:51:06,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-11 20:51:06,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-11 20:51:06,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-11 20:51:06,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-11 20:51:06,600 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-11 20:51:06,600 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-11 20:51:06,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-11 20:51:06,601 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-11 20:51:06,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-11 20:51:06,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-11 20:51:06,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-11 20:51:06,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-11 20:51:06,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:51:06,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-11 20:51:06,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-11 20:51:06,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-11 20:51:06,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-11 20:51:06,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-11 20:51:06,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-11 20:51:06,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-11 20:51:06,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-11 20:51:06,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-11 20:51:06,607 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-11 20:51:06,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-11 20:51:06,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-11 20:51:06,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-11 20:51:06,900 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-11 20:51:06,901 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-11 20:51:06,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml
[2024-09-11 20:51:07,015 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-11 20:51:07,015 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-11 20:51:07,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c
[2024-09-11 20:51:08,460 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-11 20:51:08,643 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-11 20:51:08,644 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c
[2024-09-11 20:51:08,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/04de837d2/54efbe11205846088ba2ee7e1d213b09/FLAG53ddb5f2d
[2024-09-11 20:51:08,662 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/04de837d2/54efbe11205846088ba2ee7e1d213b09
[2024-09-11 20:51:08,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-11 20:51:08,664 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-11 20:51:08,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-11 20:51:08,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-11 20:51:08,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-11 20:51:08,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:07" (1/2) ...
[2024-09-11 20:51:08,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7427a5fd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:08, skipping insertion in model container
[2024-09-11 20:51:08,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:07" (1/2) ...
[2024-09-11 20:51:08,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5aef4007 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:08, skipping insertion in model container
[2024-09-11 20:51:08,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:08" (2/2) ...
[2024-09-11 20:51:08,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7427a5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08, skipping insertion in model container
[2024-09-11 20:51:08,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:08" (2/2) ...
[2024-09-11 20:51:08,682 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-11 20:51:08,683 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296))
[2024-09-11 20:51:08,683 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-11 20:51:08,710 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-11 20:51:08,866 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550]
[2024-09-11 20:51:08,899 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:51:08,909 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-11 20:51:08,950 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550]
Start Parsing Local
[2024-09-11 20:51:08,963 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:51:08,977 INFO L204 MainTranslator]: Completed translation
[2024-09-11 20:51:08,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08 WrapperNode
[2024-09-11 20:51:08,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-11 20:51:08,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-11 20:51:08,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-11 20:51:08,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-11 20:51:08,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:08,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,001 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,015 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-11 20:51:09,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-11 20:51:09,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-11 20:51:09,035 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-11 20:51:09,035 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-11 20:51:09,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ...
[2024-09-11 20:51:09,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:51:09,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-11 20:51:09,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-11 20:51:09,074 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-11 20:51:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-11 20:51:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-11 20:51:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-11 20:51:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-11 20:51:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-11 20:51:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-11 20:51:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-11 20:51:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-11 20:51:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-11 20:51:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-11 20:51:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2024-09-11 20:51:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-11 20:51:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-11 20:51:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-11 20:51:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-11 20:51:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-11 20:51:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-11 20:51:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-09-11 20:51:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-09-11 20:51:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-11 20:51:09,200 INFO L242 CfgBuilder]: Building ICFG
[2024-09-11 20:51:09,203 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-11 20:51:09,535 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-11 20:51:09,592 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-09-11 20:51:09,593 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-11 20:51:09,614 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-11 20:51:09,614 INFO L318 CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-11 20:51:09,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:09 BoogieIcfgContainer
[2024-09-11 20:51:09,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-11 20:51:09,616 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-11 20:51:09,616 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-11 20:51:09,616 INFO L274 PluginConnector]: Referee initialized
[2024-09-11 20:51:09,616 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:07" (1/4) ...
[2024-09-11 20:51:09,617 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67207b32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:09, skipping insertion in model container
[2024-09-11 20:51:09,617 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:08" (2/4) ...
[2024-09-11 20:51:09,617 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67207b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:09, skipping insertion in model container
[2024-09-11 20:51:09,617 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (3/4) ...
[2024-09-11 20:51:09,618 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67207b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:09, skipping insertion in model container
[2024-09-11 20:51:09,618 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:09" (4/4) ...
[2024-09-11 20:51:09,619 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c
[2024-09-11 20:51:09,623 INFO L112 InvariantChecker]: Found 1 loops.
[2024-09-11 20:51:09,624 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges.
[2024-09-11 20:51:09,624 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-11 20:51:09,625 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-11 20:51:09,625 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-11 20:51:09,625 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-11 20:51:09,625 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges.
[2024-09-11 20:51:09,625 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head
[2024-09-11 20:51:09,692 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges
[2024-09-11 20:51:09,693 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:09,693 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:09,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:09,695 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:09,700 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:09,750 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding
[2024-09-11 20:51:09,752 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:09,752 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:09,752 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:09,753 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:09,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:13,796 INFO L510 InvariantChecker]: unknown inductivity: todo good error message
[2024-09-11 20:51:13,826 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges
[2024-09-11 20:51:13,826 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:13,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:13,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:13,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:13,827 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:13,844 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding
[2024-09-11 20:51:13,844 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:13,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:13,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:13,845 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:13,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:17,855 INFO L510 InvariantChecker]: unknown inductivity: todo good error message
[2024-09-11 20:51:17,880 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-11 20:51:17,880 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:17,881 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:17,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:17,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:17,882 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:17,886 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-11 20:51:17,886 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:17,886 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:17,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:17,887 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:17,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:17,894 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-11 20:51:17,905 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-11 20:51:17,906 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:17,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:17,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:17,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:17,907 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:17,910 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-11 20:51:17,910 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:17,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:17,912 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:17,912 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:17,912 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:17,918 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-11 20:51:17,933 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges
[2024-09-11 20:51:17,934 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:17,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:17,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:17,935 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:17,935 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:17,946 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding
[2024-09-11 20:51:17,946 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:17,946 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:17,947 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:17,947 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:17,947 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:17,949 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-11 20:51:17,959 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges
[2024-09-11 20:51:17,960 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:17,960 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:17,960 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:17,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:17,961 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:18,000 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding
[2024-09-11 20:51:18,001 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:18,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:18,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:18,002 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:18,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:22,019 INFO L510 InvariantChecker]: unknown inductivity: todo good error message
[2024-09-11 20:51:22,028 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness
[2024-09-11 20:51:22,029 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67207b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:22, skipping insertion in model container
[2024-09-11 20:51:22,029 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-11 20:51:22,030 INFO L158 Benchmark]: Toolchain (without parser) took 13365.68ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 97.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB.
[2024-09-11 20:51:22,031 INFO L158 Benchmark]: Witness Parser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:51:22,031 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 176.2MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:51:22,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.47ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 92.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-11 20:51:22,032 INFO L158 Benchmark]: Boogie Preprocessor took 55.13ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-11 20:51:22,033 INFO L158 Benchmark]: RCFGBuilder took 579.97ms. Allocated memory is still 176.2MB. Free memory was 89.9MB in the beginning and 139.5MB in the end (delta: -49.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB.
[2024-09-11 20:51:22,033 INFO L158 Benchmark]: Referee took 12413.23ms. Allocated memory is still 176.2MB. Free memory was 139.5MB in the beginning and 97.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-09-11 20:51:22,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness
Insufficient resources for checking whether annotation is a valid proof of correctness
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36.
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37.
Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.97ms. Allocated memory is still 176.2MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 313.47ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 92.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 55.13ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 579.97ms. Allocated memory is still 176.2MB. Free memory was 89.9MB in the beginning and 139.5MB in the end (delta: -49.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB.
* Referee took 12413.23ms. Allocated memory is still 176.2MB. Free memory was 139.5MB in the beginning and 97.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-11 20:51:22,064 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-a9b967e-m
[2024-09-11 20:51:24,147 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-11 20:51:24,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf
[2024-09-11 20:51:24,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-11 20:51:24,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-11 20:51:24,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-11 20:51:24,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-11 20:51:24,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-11 20:51:24,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-11 20:51:24,261 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-11 20:51:24,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-11 20:51:24,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-11 20:51:24,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-11 20:51:24,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-11 20:51:24,266 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-11 20:51:24,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-11 20:51:24,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-11 20:51:24,267 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-11 20:51:24,271 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-11 20:51:24,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-11 20:51:24,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-11 20:51:24,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-11 20:51:24,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-11 20:51:24,276 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-09-11 20:51:24,277 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-09-11 20:51:24,277 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-11 20:51:24,277 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-11 20:51:24,278 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-11 20:51:24,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-11 20:51:24,278 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-11 20:51:24,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-11 20:51:24,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-11 20:51:24,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-11 20:51:24,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-11 20:51:24,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:51:24,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-11 20:51:24,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-11 20:51:24,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-11 20:51:24,281 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-09-11 20:51:24,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-11 20:51:24,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-11 20:51:24,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-11 20:51:24,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-11 20:51:24,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-11 20:51:24,283 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-09-11 20:51:24,284 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-11 20:51:24,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-11 20:51:24,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-11 20:51:24,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-11 20:51:24,608 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-11 20:51:24,608 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-11 20:51:24,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c
[2024-09-11 20:51:26,060 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-11 20:51:26,240 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-11 20:51:26,241 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c
[2024-09-11 20:51:26,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5fc692849/2d564b0921a0497fb65f8578131c5e74/FLAG5d3545b47
[2024-09-11 20:51:26,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5fc692849/2d564b0921a0497fb65f8578131c5e74
[2024-09-11 20:51:26,267 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-11 20:51:26,268 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-11 20:51:26,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml
[2024-09-11 20:51:26,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-11 20:51:26,325 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-11 20:51:26,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-11 20:51:26,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-11 20:51:26,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-11 20:51:26,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:26" (1/2) ...
[2024-09-11 20:51:26,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799bb3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26, skipping insertion in model container
[2024-09-11 20:51:26,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:26" (1/2) ...
[2024-09-11 20:51:26,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60bb17fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26, skipping insertion in model container
[2024-09-11 20:51:26,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:26" (2/2) ...
[2024-09-11 20:51:26,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799bb3d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26, skipping insertion in model container
[2024-09-11 20:51:26,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:26" (2/2) ...
[2024-09-11 20:51:26,350 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-11 20:51:26,351 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296))
[2024-09-11 20:51:26,351 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-11 20:51:26,369 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-11 20:51:26,558 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550]
[2024-09-11 20:51:26,580 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:51:26,594 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-11 20:51:26,631 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550]
Start Parsing Local
[2024-09-11 20:51:26,641 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:51:26,658 INFO L204 MainTranslator]: Completed translation
[2024-09-11 20:51:26,659 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26 WrapperNode
[2024-09-11 20:51:26,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-11 20:51:26,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-11 20:51:26,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-11 20:51:26,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-11 20:51:26,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,684 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,699 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-11 20:51:26,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-11 20:51:26,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-11 20:51:26,721 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-11 20:51:26,721 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-11 20:51:26,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (1/1) ...
[2024-09-11 20:51:26,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:51:26,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-11 20:51:26,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-11 20:51:26,753 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-11 20:51:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-11 20:51:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-11 20:51:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-11 20:51:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-11 20:51:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-11 20:51:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-11 20:51:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-11 20:51:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-11 20:51:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-11 20:51:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-11 20:51:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2024-09-11 20:51:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-11 20:51:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-11 20:51:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-11 20:51:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-11 20:51:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-09-11 20:51:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-11 20:51:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2024-09-11 20:51:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2024-09-11 20:51:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-11 20:51:26,884 INFO L242 CfgBuilder]: Building ICFG
[2024-09-11 20:51:26,886 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-11 20:51:27,298 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-11 20:51:27,355 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-09-11 20:51:27,356 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-11 20:51:27,381 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-11 20:51:27,381 INFO L318 CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-11 20:51:27,382 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:27 BoogieIcfgContainer
[2024-09-11 20:51:27,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-11 20:51:27,382 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-11 20:51:27,382 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-11 20:51:27,383 INFO L274 PluginConnector]: Referee initialized
[2024-09-11 20:51:27,383 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:26" (1/4) ...
[2024-09-11 20:51:27,384 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433a6617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:27, skipping insertion in model container
[2024-09-11 20:51:27,384 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:26" (2/4) ...
[2024-09-11 20:51:27,384 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433a6617 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:27, skipping insertion in model container
[2024-09-11 20:51:27,384 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:26" (3/4) ...
[2024-09-11 20:51:27,385 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433a6617 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:27, skipping insertion in model container
[2024-09-11 20:51:27,385 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:27" (4/4) ...
[2024-09-11 20:51:27,386 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c
[2024-09-11 20:51:27,389 INFO L112 InvariantChecker]: Found 1 loops.
[2024-09-11 20:51:27,390 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges.
[2024-09-11 20:51:27,390 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-11 20:51:27,390 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-11 20:51:27,391 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-11 20:51:27,391 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges.
[2024-09-11 20:51:27,391 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges.
[2024-09-11 20:51:27,391 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head
[2024-09-11 20:51:27,438 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges
[2024-09-11 20:51:27,439 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:27,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:27,443 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:27,443 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:27,445 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,499 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding
[2024-09-11 20:51:27,500 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:27,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:27,501 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:27,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:27,566 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-11 20:51:27,598 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges
[2024-09-11 20:51:27,598 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:27,598 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:27,598 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:27,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:27,598 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,619 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding
[2024-09-11 20:51:27,620 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:27,620 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:27,620 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:27,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:27,664 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-11 20:51:27,692 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-11 20:51:27,692 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:27,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:27,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:27,693 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:27,693 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,698 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-11 20:51:27,698 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,699 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:27,699 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:27,699 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:27,700 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:27,705 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-11 20:51:27,723 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-11 20:51:27,723 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:27,723 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:27,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:27,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:27,724 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,725 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-11 20:51:27,725 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,726 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:27,726 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:27,726 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:27,726 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:27,728 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-11 20:51:27,755 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges
[2024-09-11 20:51:27,758 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:27,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:27,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:27,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:27,759 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,771 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding
[2024-09-11 20:51:27,772 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:27,772 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:27,772 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:27,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:27,817 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-11 20:51:27,834 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges
[2024-09-11 20:51:27,835 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:51:27,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:51:27,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:51:27,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:51:27,836 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,861 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding
[2024-09-11 20:51:27,861 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:51:27,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:51:27,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:51:27,862 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:51:27,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:51:27,872 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-11 20:51:27,878 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness
[2024-09-11 20:51:27,878 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433a6617 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:27, skipping insertion in model container
[2024-09-11 20:51:27,878 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-11 20:51:27,880 INFO L158 Benchmark]: Toolchain (without parser) took 1554.35ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 37.7MB in the end (delta: 3.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB.
[2024-09-11 20:51:27,882 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:51:27,882 INFO L158 Benchmark]: Witness Parser took 1.77ms. Allocated memory is still 75.5MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:51:27,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.77ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 46.8MB in the end (delta: -6.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB.
[2024-09-11 20:51:27,884 INFO L158 Benchmark]: Boogie Preprocessor took 58.49ms. Allocated memory is still 75.5MB. Free memory was 46.8MB in the beginning and 44.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-11 20:51:27,884 INFO L158 Benchmark]: RCFGBuilder took 662.72ms. Allocated memory is still 75.5MB. Free memory was 44.4MB in the beginning and 50.9MB in the end (delta: -6.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-09-11 20:51:27,885 INFO L158 Benchmark]: Referee took 496.44ms. Allocated memory is still 75.5MB. Free memory was 50.9MB in the beginning and 37.7MB in the end (delta: 13.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB.
[2024-09-11 20:51:27,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- AnnotationCheckResult: Annotation is a valid proof of correctness
Annotation is a valid proof of correctness
Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36.
Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36.
Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.07ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 1.77ms. Allocated memory is still 75.5MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 331.77ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 46.8MB in the end (delta: -6.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 58.49ms. Allocated memory is still 75.5MB. Free memory was 46.8MB in the beginning and 44.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 662.72ms. Allocated memory is still 75.5MB. Free memory was 44.4MB in the beginning and 50.9MB in the end (delta: -6.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Referee took 496.44ms. Allocated memory is still 75.5MB. Free memory was 50.9MB in the beginning and 37.7MB in the end (delta: 13.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-11 20:51:27,922 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN